196a5c4c7bab6718524de7253da8309143ab48befChris Craik/* 296a5c4c7bab6718524de7253da8309143ab48befChris Craik * Copyright (C) 2015 The Android Open Source Project 396a5c4c7bab6718524de7253da8309143ab48befChris Craik * 496a5c4c7bab6718524de7253da8309143ab48befChris Craik * Licensed under the Apache License, Version 2.0 (the "License"); 596a5c4c7bab6718524de7253da8309143ab48befChris Craik * you may not use this file except in compliance with the License. 696a5c4c7bab6718524de7253da8309143ab48befChris Craik * You may obtain a copy of the License at 796a5c4c7bab6718524de7253da8309143ab48befChris Craik * 896a5c4c7bab6718524de7253da8309143ab48befChris Craik * http://www.apache.org/licenses/LICENSE-2.0 996a5c4c7bab6718524de7253da8309143ab48befChris Craik * 1096a5c4c7bab6718524de7253da8309143ab48befChris Craik * Unless required by applicable law or agreed to in writing, software 1196a5c4c7bab6718524de7253da8309143ab48befChris Craik * distributed under the License is distributed on an "AS IS" BASIS, 1296a5c4c7bab6718524de7253da8309143ab48befChris Craik * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1396a5c4c7bab6718524de7253da8309143ab48befChris Craik * See the License for the specific language governing permissions and 1496a5c4c7bab6718524de7253da8309143ab48befChris Craik * limitations under the License. 1596a5c4c7bab6718524de7253da8309143ab48befChris Craik */ 1696a5c4c7bab6718524de7253da8309143ab48befChris Craik#ifndef RENDERSTATE_MESHSTATE_H 1796a5c4c7bab6718524de7253da8309143ab48befChris Craik#define RENDERSTATE_MESHSTATE_H 1896a5c4c7bab6718524de7253da8309143ab48befChris Craik 1996a5c4c7bab6718524de7253da8309143ab48befChris Craik#include "Vertex.h" 2096a5c4c7bab6718524de7253da8309143ab48befChris Craik 2196a5c4c7bab6718524de7253da8309143ab48befChris Craik#include <GLES2/gl2.h> 2296a5c4c7bab6718524de7253da8309143ab48befChris Craik#include <GLES2/gl2ext.h> 2396a5c4c7bab6718524de7253da8309143ab48befChris Craik#include <memory> 2496a5c4c7bab6718524de7253da8309143ab48befChris Craik 2596a5c4c7bab6718524de7253da8309143ab48befChris Craiknamespace android { 2696a5c4c7bab6718524de7253da8309143ab48befChris Craiknamespace uirenderer { 2796a5c4c7bab6718524de7253da8309143ab48befChris Craik 2896a5c4c7bab6718524de7253da8309143ab48befChris Craikclass Program; 2996a5c4c7bab6718524de7253da8309143ab48befChris Craik 3096a5c4c7bab6718524de7253da8309143ab48befChris Craik// Maximum number of quads that pre-allocated meshes can draw 3196a5c4c7bab6718524de7253da8309143ab48befChris Craikconst uint32_t kMaxNumberOfQuads = 2048; 3296a5c4c7bab6718524de7253da8309143ab48befChris Craik 3396a5c4c7bab6718524de7253da8309143ab48befChris Craik// This array is never used directly but used as a memcpy source in the 3496a5c4c7bab6718524de7253da8309143ab48befChris Craik// OpenGLRenderer constructor 35031888744e24b5c7243ac99ec98b78aff5db1c78Chris Craikconst TextureVertex kUnitQuadVertices[] = { 3696a5c4c7bab6718524de7253da8309143ab48befChris Craik { 0, 0, 0, 0 }, 3796a5c4c7bab6718524de7253da8309143ab48befChris Craik { 1, 0, 1, 0 }, 3896a5c4c7bab6718524de7253da8309143ab48befChris Craik { 0, 1, 0, 1 }, 3996a5c4c7bab6718524de7253da8309143ab48befChris Craik { 1, 1, 1, 1 }, 4096a5c4c7bab6718524de7253da8309143ab48befChris Craik}; 4196a5c4c7bab6718524de7253da8309143ab48befChris Craik 4296a5c4c7bab6718524de7253da8309143ab48befChris Craikconst GLsizei kVertexStride = sizeof(Vertex); 4396a5c4c7bab6718524de7253da8309143ab48befChris Craikconst GLsizei kAlphaVertexStride = sizeof(AlphaVertex); 4496a5c4c7bab6718524de7253da8309143ab48befChris Craikconst GLsizei kTextureVertexStride = sizeof(TextureVertex); 45ef2507439c08f4e9c4c9bba1c6243ca9df2ee827Chris Craikconst GLsizei kColorTextureVertexStride = sizeof(ColorTextureVertex); 4696a5c4c7bab6718524de7253da8309143ab48befChris Craik 4796a5c4c7bab6718524de7253da8309143ab48befChris Craikconst GLsizei kMeshTextureOffset = 2 * sizeof(float); 4896a5c4c7bab6718524de7253da8309143ab48befChris Craikconst GLsizei kVertexAlphaOffset = 2 * sizeof(float); 4996a5c4c7bab6718524de7253da8309143ab48befChris Craikconst GLsizei kVertexAAWidthOffset = 2 * sizeof(float); 5096a5c4c7bab6718524de7253da8309143ab48befChris Craikconst GLsizei kVertexAALengthOffset = 3 * sizeof(float); 51117bdbcfa3e8306dad21e7e01fa71b00cdfa7265Chris Craikconst GLsizei kUnitQuadCount = 4; 5296a5c4c7bab6718524de7253da8309143ab48befChris Craik 5396a5c4c7bab6718524de7253da8309143ab48befChris Craikclass MeshState { 5496a5c4c7bab6718524de7253da8309143ab48befChris Craikprivate: 5596a5c4c7bab6718524de7253da8309143ab48befChris Craik friend class RenderState; 5696a5c4c7bab6718524de7253da8309143ab48befChris Craik 5796a5c4c7bab6718524de7253da8309143ab48befChris Craikpublic: 5896a5c4c7bab6718524de7253da8309143ab48befChris Craik ~MeshState(); 59117bdbcfa3e8306dad21e7e01fa71b00cdfa7265Chris Craik void dump(); 6096a5c4c7bab6718524de7253da8309143ab48befChris Craik /////////////////////////////////////////////////////////////////////////////// 6196a5c4c7bab6718524de7253da8309143ab48befChris Craik // Buffer objects 6296a5c4c7bab6718524de7253da8309143ab48befChris Craik /////////////////////////////////////////////////////////////////////////////// 6396a5c4c7bab6718524de7253da8309143ab48befChris Craik 6496a5c4c7bab6718524de7253da8309143ab48befChris Craik /** 6596a5c4c7bab6718524de7253da8309143ab48befChris Craik * Binds the specified VBO if needed. If buffer == 0, binds default simple textured quad. 6696a5c4c7bab6718524de7253da8309143ab48befChris Craik */ 671b7db4000eabb570697f4c5097588acbfa4df62bChris Craik void bindMeshBuffer(GLuint buffer); 6896a5c4c7bab6718524de7253da8309143ab48befChris Craik 6996a5c4c7bab6718524de7253da8309143ab48befChris Craik /** 701b7db4000eabb570697f4c5097588acbfa4df62bChris Craik * Unbinds the current VBO if active. 7196a5c4c7bab6718524de7253da8309143ab48befChris Craik */ 721b7db4000eabb570697f4c5097588acbfa4df62bChris Craik void unbindMeshBuffer(); 7396a5c4c7bab6718524de7253da8309143ab48befChris Craik 748d2cf943d9c7292e54726399faefdec4a01c084bChris Craik void genOrUpdateMeshBuffer(GLuint* buffer, GLsizeiptr size, const void* data, GLenum usage); 75fd3744b7d88d0015cfb36be2b485c4b6ba0c1b58sergeyv void updateMeshBufferSubData(GLuint buffer, GLintptr offset, GLsizeiptr size, const void* data); 768d2cf943d9c7292e54726399faefdec4a01c084bChris Craik void deleteMeshBuffer(GLuint); 778d2cf943d9c7292e54726399faefdec4a01c084bChris Craik 7896a5c4c7bab6718524de7253da8309143ab48befChris Craik /////////////////////////////////////////////////////////////////////////////// 7996a5c4c7bab6718524de7253da8309143ab48befChris Craik // Vertices 8096a5c4c7bab6718524de7253da8309143ab48befChris Craik /////////////////////////////////////////////////////////////////////////////// 8196a5c4c7bab6718524de7253da8309143ab48befChris Craik /** 8296a5c4c7bab6718524de7253da8309143ab48befChris Craik * Binds an attrib to the specified float vertex pointer. 8396a5c4c7bab6718524de7253da8309143ab48befChris Craik * Assumes a stride of gTextureVertexStride and a size of 2. 8496a5c4c7bab6718524de7253da8309143ab48befChris Craik */ 851b7db4000eabb570697f4c5097588acbfa4df62bChris Craik void bindPositionVertexPointer(const GLvoid* vertices, 866c15ffa196fc9b7724c189d833c3435d8db12266Chris Craik GLsizei stride = kTextureVertexStride); 8796a5c4c7bab6718524de7253da8309143ab48befChris Craik 8896a5c4c7bab6718524de7253da8309143ab48befChris Craik /** 8996a5c4c7bab6718524de7253da8309143ab48befChris Craik * Binds an attrib to the specified float vertex pointer. 9096a5c4c7bab6718524de7253da8309143ab48befChris Craik * Assumes a stride of gTextureVertexStride and a size of 2. 9196a5c4c7bab6718524de7253da8309143ab48befChris Craik */ 921b7db4000eabb570697f4c5097588acbfa4df62bChris Craik void bindTexCoordsVertexPointer(const GLvoid* vertices, 936c15ffa196fc9b7724c189d833c3435d8db12266Chris Craik GLsizei stride = kTextureVertexStride); 9496a5c4c7bab6718524de7253da8309143ab48befChris Craik 9596a5c4c7bab6718524de7253da8309143ab48befChris Craik /** 9696a5c4c7bab6718524de7253da8309143ab48befChris Craik * Resets the vertex pointers. 9796a5c4c7bab6718524de7253da8309143ab48befChris Craik */ 9896a5c4c7bab6718524de7253da8309143ab48befChris Craik void resetVertexPointers(); 9996a5c4c7bab6718524de7253da8309143ab48befChris Craik 10096a5c4c7bab6718524de7253da8309143ab48befChris Craik void enableTexCoordsVertexArray(); 10196a5c4c7bab6718524de7253da8309143ab48befChris Craik void disableTexCoordsVertexArray(); 10296a5c4c7bab6718524de7253da8309143ab48befChris Craik 10396a5c4c7bab6718524de7253da8309143ab48befChris Craik /////////////////////////////////////////////////////////////////////////////// 10496a5c4c7bab6718524de7253da8309143ab48befChris Craik // Indices 10596a5c4c7bab6718524de7253da8309143ab48befChris Craik /////////////////////////////////////////////////////////////////////////////// 1061b7db4000eabb570697f4c5097588acbfa4df62bChris Craik void bindIndicesBuffer(const GLuint buffer); 1071b7db4000eabb570697f4c5097588acbfa4df62bChris Craik void unbindIndicesBuffer(); 10896a5c4c7bab6718524de7253da8309143ab48befChris Craik 109031888744e24b5c7243ac99ec98b78aff5db1c78Chris Craik /////////////////////////////////////////////////////////////////////////////// 110031888744e24b5c7243ac99ec98b78aff5db1c78Chris Craik // Getters - for use in Glop building 111031888744e24b5c7243ac99ec98b78aff5db1c78Chris Craik /////////////////////////////////////////////////////////////////////////////// 112031888744e24b5c7243ac99ec98b78aff5db1c78Chris Craik GLuint getUnitQuadVBO() { return mUnitQuadBuffer; } 1132ab95d780b023152556d9f8659de734ec7b55047Chris Craik GLuint getQuadListIBO() { return mQuadListIndices; } 11496a5c4c7bab6718524de7253da8309143ab48befChris Craikprivate: 11596a5c4c7bab6718524de7253da8309143ab48befChris Craik MeshState(); 11696a5c4c7bab6718524de7253da8309143ab48befChris Craik 117031888744e24b5c7243ac99ec98b78aff5db1c78Chris Craik GLuint mUnitQuadBuffer; 11896a5c4c7bab6718524de7253da8309143ab48befChris Craik 11996a5c4c7bab6718524de7253da8309143ab48befChris Craik GLuint mCurrentBuffer; 12096a5c4c7bab6718524de7253da8309143ab48befChris Craik GLuint mCurrentIndicesBuffer; 12196a5c4c7bab6718524de7253da8309143ab48befChris Craik GLuint mCurrentPixelBuffer; 12296a5c4c7bab6718524de7253da8309143ab48befChris Craik 12396a5c4c7bab6718524de7253da8309143ab48befChris Craik const void* mCurrentPositionPointer; 12496a5c4c7bab6718524de7253da8309143ab48befChris Craik GLsizei mCurrentPositionStride; 12596a5c4c7bab6718524de7253da8309143ab48befChris Craik const void* mCurrentTexCoordsPointer; 12696a5c4c7bab6718524de7253da8309143ab48befChris Craik GLsizei mCurrentTexCoordsStride; 12796a5c4c7bab6718524de7253da8309143ab48befChris Craik 12896a5c4c7bab6718524de7253da8309143ab48befChris Craik bool mTexCoordsArrayEnabled; 12996a5c4c7bab6718524de7253da8309143ab48befChris Craik 13096a5c4c7bab6718524de7253da8309143ab48befChris Craik // Global index buffer 13196a5c4c7bab6718524de7253da8309143ab48befChris Craik GLuint mQuadListIndices; 13296a5c4c7bab6718524de7253da8309143ab48befChris Craik}; 13396a5c4c7bab6718524de7253da8309143ab48befChris Craik 13496a5c4c7bab6718524de7253da8309143ab48befChris Craik} /* namespace uirenderer */ 13596a5c4c7bab6718524de7253da8309143ab48befChris Craik} /* namespace android */ 13696a5c4c7bab6718524de7253da8309143ab48befChris Craik 13796a5c4c7bab6718524de7253da8309143ab48befChris Craik#endif // RENDERSTATE_MESHSTATE_H 138